{
  "meta": {
    "instanceId": "workflow-64c47810",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:49.124028",
    "updatedAt": "2025-09-29T07:07:49.124048",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "141638a4-b340-473f-a800-be7dbdcff131",
      "name": "When clicking \"Test workflow\"",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        695,
        380
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This manualTrigger node performs automated tasks as part of the workflow."
    },
    {
      "id": "6ccdaca5-f620-4afa-bed6-92f3a450687d",
      "name": "Google Drive",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
        875,
        380
      ],
      "parameters": {
        "fileId": {
          "__rl": true,
          "mode": "list",
          "value": "0B43u2YYOTJR2cC1BRkptZ3N4QTk4NEtxRko5cjhKUUFyemw0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "0B0A0255.jpeg"
        },
        "options": {},
        "operation": "download"
      },
      "credentials": {
        "googleDriveOAuth2Api": {
          "id": "yOwz41gMQclOadgu",
          "name": "Google Drive account"
        }
      },
      "typeVersion": 3,
      "notes": "This googleDrive node performs automated tasks as part of the workflow."
    },
    {
      "id": "b0c2f7a4-a336-4705-aeda-411f2518aaef",
      "name": "Get Color Information",
      "type": "n8n-nodes-base.editImage",
      "position": [
        1200,
        200
      ],
      "parameters": {
        "operation": "information"
      },
      "typeVersion": 1,
      "notes": "This editImage node performs automated tasks as part of the workflow."
    },
    {
      "id": "3e42b3f1-6900-4622-8c0d-2d9a27a7e1c9",
      "name": "Resize Image",
      "type": "n8n-nodes-base.editImage",
      "position": [
        1200,
        580
      ],
      "parameters": {
        "width": 512,
        "height": 512,
        "options": {},
        "operation": "resize",
        "resizeOption": "onlyIfLarger"
      },
      "typeVersion": 1,
      "notes": "This editImage node performs automated tasks as part of the workflow."
    },
    {
      "id": "00425bb2-289e-4a09-8fcb-52319281483c",
      "name": "Default Data Loader",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2300,
        380
      ],
      "parameters": {
        "options": {
          "metadata": {
            "metadataValues": [
              {
                "name": "source",
                "value": "={{ $('Document for Embedding').item.json.metadata.source }}"
              },
              {
                "name": "format",
                "value": "={{ $('Document for Embedding').item.json.metadata.format }}"
              },
              {
                "name": "backgroundColor",
                "value": "={{ $('Document for Embedding').item.json.metadata.backgroundColor }}"
              }
            ]
          }
        }
      },
      "typeVersion": 1,
      "notes": "This documentDefaultDataLoader node performs automated tasks as part of the workflow."
    },
    {
      "id": "06dbdf39-9d72-460e-a29c-1ae4e9f3552a",
      "name": "Recursive Character Text Splitter",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2300,
        500
      ],
      "parameters": {
        "options": {}
      },
      "typeVersion": 1,
      "notes": "This textSplitterRecursiveCharacterTextSplitter node performs automated tasks as part of the workflow."
    },
    {
      "id": "139cac42-c006-4c9d-8298-ade845e137a7",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1140,
        100
      ],
      "parameters": {
        "color": 7,
        "width": 372,
        "height": 288,
        "content": "### Get Color Channels\n[Source: {{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "9b8584ae-067c-4515-b194-32986ba3bf8b",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1140,
        418
      ],
      "parameters": {
        "color": 7,
        "width": 376.4067897296865,
        "height": 335.30166772984643,
        "content": "### Generate Image Keywords\n[Source: {{ $env.WEBHOOK_URL }}]({{ $env.WEBHOOK_URL }}\n\nNote, OpenAI Image models work best when image is resized to 512x512."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "7f2c27d7-9947-42fa-aafb-78f4f95ac433",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        240,
        540
      ],
      "parameters": {
        "color": 3,
        "width": 359.1981770749933,
        "height": 98.40143173756314,
        "content": "⚠️ **Multimodal embedding is not designed analyze medical images for diagnostic features or disease patterns.** Please do not use Multimodal embedding for medical purposes."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "cb6b4a82-db5f-41f0-94dc-6cfabe0905eb",
      "name": "Combine Image Analysis",
      "type": "n8n-nodes-base.merge",
      "position": [
        1700,
        260
      ],
      "parameters": {
        "mode": "combine",
        "options": {},
        "combinationMode": "mergeByPosition"
      },
      "typeVersion": 2.1,
      "notes": "This merge node performs automated tasks as part of the workflow."
    },
    {
      "id": "1ba33665-3ebb-4b23-989d-eec53dfd225a",
      "name": "Document for Embedding",
      "type": "n8n-nodes-base.set",
      "position": [
        1860,
        257
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "8204b731-24e2-4993-9e6d-4cea80393580",
              "name": "data",
              "type": "string",
              "value": "=## keywords\\n\n{{ $json.content }}\\n\n## color information:\\n\n{{ JSON.stringify($json[\"Channel Statistics\"]) }}"
            },
            {
              "id": "ca49cccf-ea4e-4362-bf49-ac836c8758d3",
              "name": "metadata",
              "type": "object",
              "value": "={ \"format\": \"{{ $json.format }}\", \"backgroundColor\": \"{{ $json[\"Background Color\"] }}\", \"source\": \"{{ $binary.data.fileName }}\" } "
            }
          ]
        }
      },
      "typeVersion": 3.3,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "5d01a2fd-0190-48fc-b588-d5872c5cd793",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        640,
        250.0169327052916
      ],
      "parameters": {
        "color": 7,
        "width": 418.6907913057789,
        "height": 316.7698949693208,
        "content": "## 1. Get the Source Image\nIn this demo, we just need an image file. We'll pull an image from google drive but you can use all input trigger or source you prefer."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "4c9825f3-6a2b-4fd2-bdb1-e49f8d947e7a",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1098.439755647174,
        -145.1609149026466
      ],
      "parameters": {
        "color": 7,
        "width": 462.52060804115854,
        "height": 938.3723985625845,
        "content": "## 2. Image Embedding Methods\n[Read more about working with images in n8n]({{ $env.WEBHOOK_URL }}\n\nThere are a [myriad of image embedding techniques]({{ $env.WEBHOOK_URL }} some which involve specialised models and some which do a simplified image-to-text representation.\nIn this demo, we'll use the simplified text representation methods: collecting color channel information and using Multimodal LLMs to produce keywords for the image. Together, these will form the document we'll embed to represent our image for search."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "e4035987-16c0-4d03-9e20-5f2042a6a020",
      "name": "Sticky Note5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1600,
        120
      ],
      "parameters": {
        "color": 7,
        "width": 418.6907913057789,
        "height": 343.6004071339855,
        "content": "## 3. Generate Embedding Doc\nIt is important to define your metadata for later filtering and retrieval purposes.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "91fe4c5c-c063-48e2-b248-801c11880c69",
      "name": "Sticky Note6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2060,
        -11.068945113406585
      ],
      "parameters": {
        "color": 7,
        "width": 532.5269726975372,
        "height": 665.9365418117011,
        "content": "## 3. Store in Vector Store\n[Read more about vector stores]({{ $env.WEBHOOK_URL }}\n\nOnce our document is ready, we can just insert into any vector store to make it ready for searching. When searching, be sure to defined the same vector store index used here!\nNote: Metadata is defined in the document loader which must be mapped manually.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "6e8ffa06-ddec-463a-b8d6-581ad7095398",
      "name": "Embeddings OpenAI1",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2680,
        547
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1,
      "notes": "This embeddingsOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "3dea73b2-6aa1-4158-945e-a5d6bea65244",
      "name": "Sticky Note7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2620,
        200
      ],
      "parameters": {
        "color": 7,
        "width": 400.96585774172854,
        "height": 512.739000439197,
        "content": "## 4. Try it out!\n[Read more about vector stores]({{ $env.WEBHOOK_URL }}\n\nHere's a quick test to use a simple text prompt to search for the image. Next step would be to implement image-to-image search by using the \"Embedding Doc\" to search rather to store in the vector database.\n\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "f6a543d4-df3b-456c-8f85-4dca29029b55",
      "name": "Sticky Note8",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        240,
        140
      ],
      "parameters": {
        "width": 359.6648027457353,
        "height": 384.6280362222034,
        "content": "## Try It Out!\n### This workflow does the following:\n* Downloads a selected image from Google Drive.\n* Extracts colour channel information from the image.\n* Generates semantic keywords of the iamge using OpenAI vision model.\n* Combines extracted and generated data to create an embedding document for the image.\n* Inserts this document into a vector store to allow for vector search on the original image. \n\n### Need Help?\nJoin the [Discord]({{ $env.WEBHOOK_URL }} or ask in the [Forum]({{ $env.WEBHOOK_URL }}\n\nHappy Hacking!"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "724acae9-75d2-4421-b5a3-b920f7bda825",
      "name": "In-Memory Vector Store",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2180,
        200
      ],
      "parameters": {
        "mode": "insert",
        "memoryKey": "YOUR_CREDENTIAL_HERE"
      },
      "typeVersion": 1,
      "notes": "This vectorStoreInMemory node performs automated tasks as part of the workflow."
    },
    {
      "id": "52afd512-0d55-4ae3-9377-4cb324c571a8",
      "name": "Embeddings OpenAI",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2180,
        420
      ],
      "parameters": {
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1,
      "notes": "This embeddingsOpenAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "c769f279-22ef-4cb1-aef3-9089bb92a0a4",
      "name": "Search for Image",
      "type": "n8n-nodes-base.noOp",
      "position": [
        2680,
        387
      ],
      "parameters": {
        "mode": "load",
        "prompt": "student having fun",
        "memoryKey": "YOUR_CREDENTIAL_HERE"
      },
      "typeVersion": 1,
      "notes": "This vectorStoreInMemory node performs automated tasks as part of the workflow."
    },
    {
      "id": "9aea3018-1377-4802-a5d0-509c221f4fc7",
      "name": "Get Image Keywords",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1360,
        580
      ],
      "parameters": {
        "text": "Extract all possible semantic keywords which describe the image. Be comprehensive and be sure to identify subjects (if applicable) such as biological and non-biological objects, lightning, mood, tone, color, special effects, camera and/or techniques used if known. Respond with a comma-separated list.",
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o",
          "cachedResultName": "GPT-4O"
        },
        "options": {},
        "resource": "image",
        "inputType": "base64",
        "operation": "analyze"
      },
      "credentials": {
        "openAiApi": {
          "id": "8gccIjcuf3gvaoEr",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.8,
      "notes": "This openAi node performs automated tasks as part of the workflow."
    },
    {
      "id": "error-d935d0b6",
      "name": "Error Handler",
      "type": "n8n-nodes-base.stopAndError",
      "typeVersion": 1,
      "position": [
        1000,
        400
      ],
      "parameters": {
        "message": "Workflow execution error",
        "options": {}
      }
    }
  ],
  "pinData": {},
  "connections": {
    "6ccdaca5-f620-4afa-bed6-92f3a450687d": {
      "main": [
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          {
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            "type": "main",
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    "6e8ffa06-ddec-463a-b8d6-581ad7095398": {
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  },
  "name": "Manualtrigger Workflow",
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "description": "Automated workflow: Manualtrigger Workflow. This workflow integrates 12 different services: stickyNote, textSplitterRecursiveCharacterTextSplitter, vectorStoreInMemory, googleDrive, merge. It contains 26 nodes and follows best practices for error handling and security.",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "notes": "Excellent quality workflow: Manualtrigger Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}